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Hanna, Gerald S.1
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Hanna, Gerald S. – 1974
Although the "Don't Know" (DK) option has received telling criticism in maximum performance summative tests, its potential use in formative evaluation was considered and judged to be more promising. The pretest of an instructional module was administered with DK options. Examinees were then required to answer each question to which they had…
Descriptors: Formative Evaluation, Guessing (Tests), Multiple Choice Tests, Response Style (Tests)